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From Jim Miller <jemiller1...@gmail.com>
Subject Unable to connect to all storage backends successfully
Date Wed, 20 Sep 2017 02:32:35 GMT
Hi,

I’m using PredictionIO 0.12.0-incubating with ElasticSearch and Hbase:
PredictionIO-0.12.0-incubating/vendors/elasticsearch-1.4.4
PredictionIO-0.12.0-incubating/vendors/hbase-1.0.0
PredictionIO-0.12.0-incubating/vendors/spark-1.5.1-bin-hadoop2.6

All starts with no errors but with pio status I get:

[INFO] [Management$] Inspecting PredictionIO...
[INFO] [Management$] PredictionIO 0.12.0-incubating is installed at /home/vagrant/pio/PredictionIO-0.12.0-incubating
[INFO] [Management$] Inspecting Apache Spark...
[INFO] [Management$] Apache Spark is installed at /home/vagrant/pio/PredictionIO-0.12.0-incubating/vendors/spark-1.5.1-bin-hadoop2.6
[INFO] [Management$] Apache Spark 1.5.1 detected (meets minimum requirement of 1.3.0)
[INFO] [Management$] Inspecting storage backend connections...
[INFO] [Storage$] Verifying Meta Data Backend (Source: ELASTICSEARCH)...
[ERROR] [Management$] Unable to connect to all storage backends successfully.
The following shows the error message from the storage backend.

Connection closed (org.apache.predictionio.shaded.org.apache.http.ConnectionClosedException)

Dumping configuration of initialized storage backend sources.
Please make sure they are correct.

Source Name: ELASTICSEARCH; Type: elasticsearch; Configuration: HOME -> /home/vagrant/pio/PredictionIO-0.12.0-incubating/vendors/elasticsearch-1.4.4,
HOSTS -> localhost, PORTS -> 9300, CLUSTERNAME -> firstcluster, TYPE -> elasticsearch

Can anyone give me an idea of what I need to fix this issue?  Here is 

# PredictionIO Main Configuration
#
# This section controls core behavior of PredictionIO. It is very likely that
# you need to change these to fit your site.

# SPARK_HOME: Apache Spark is a hard dependency and must be configured.
# SPARK_HOME=$PIO_HOME/vendors/spark-2.0.2-bin-hadoop2.7
SPARK_HOME=$PIO_HOME/vendors/spark-1.5.1-bin-hadoop2.6

POSTGRES_JDBC_DRIVER=$PIO_HOME/lib/postgresql-42.0.0.jar
MYSQL_JDBC_DRIVER=$PIO_HOME/lib/mysql-connector-java-5.1.41.jar

# ES_CONF_DIR: You must configure this if you have advanced configuration for
#              your Elasticsearch setup.
ES_CONF_DIR=$PIO_HOME/vendors/elasticsearch-1.4.4/conf

# HADOOP_CONF_DIR: You must configure this if you intend to run PredictionIO
#                  with Hadoop 2.
HADOOP_CONF_DIR=$PIO_HOME/vendors/spark-1.5.1-bin-hadoop2.6/conf

# HBASE_CONF_DIR: You must configure this if you intend to run PredictionIO
#                 with HBase on a remote cluster.
HBASE_CONF_DIR=$PIO_HOME/vendors/hbase-1.0.0/conf

# Filesystem paths where PredictionIO uses as block storage.
PIO_FS_BASEDIR=$HOME/.pio_store
PIO_FS_ENGINESDIR=$PIO_FS_BASEDIR/engines
PIO_FS_TMPDIR=$PIO_FS_BASEDIR/tmp

# PredictionIO Storage Configuration
#
# This section controls programs that make use of PredictionIO's built-in
# storage facilities. Default values are shown below.
#
# For more information on storage configuration please refer to
# http://predictionio.incubator.apache.org/system/anotherdatastore/

# Storage Repositories

# Default is to use PostgreSQL
PIO_STORAGE_REPOSITORIES_METADATA_NAME=pio_meta
PIO_STORAGE_REPOSITORIES_METADATA_SOURCE=ELASTICSEARCH

PIO_STORAGE_REPOSITORIES_EVENTDATA_NAME=pio_event
PIO_STORAGE_REPOSITORIES_EVENTDATA_SOURCE=HBASE

PIO_STORAGE_REPOSITORIES_MODELDATA_NAME=pio_model
PIO_STORAGE_REPOSITORIES_MODELDATA_SOURCE=LOCALFS

# Storage Data Sources

# PostgreSQL Default Settings
# Please change "pio" to your database name in PIO_STORAGE_SOURCES_PGSQL_URL
# Please change PIO_STORAGE_SOURCES_PGSQL_USERNAME and
# PIO_STORAGE_SOURCES_PGSQL_PASSWORD accordingly
# PIO_STORAGE_SOURCES_PGSQL_TYPE=jdbc
# PIO_STORAGE_SOURCES_PGSQL_URL=jdbc:postgresql://localhost/pio
# PIO_STORAGE_SOURCES_PGSQL_USERNAME=pio
# PIO_STORAGE_SOURCES_PGSQL_PASSWORD=pio

# MySQL Example
# PIO_STORAGE_SOURCES_MYSQL_TYPE=jdbc
# PIO_STORAGE_SOURCES_MYSQL_URL=jdbc:mysql://localhost/pio
# PIO_STORAGE_SOURCES_MYSQL_USERNAME=pio
# PIO_STORAGE_SOURCES_MYSQL_PASSWORD=pio

# Elasticsearch Example
# PIO_STORAGE_SOURCES_ELASTICSEARCH_TYPE=elasticsearch
# PIO_STORAGE_SOURCES_ELASTICSEARCH_HOSTS=localhost
# PIO_STORAGE_SOURCES_ELASTICSEARCH_PORTS=9200
# PIO_STORAGE_SOURCES_ELASTICSEARCH_SCHEMES=http
# PIO_STORAGE_SOURCES_ELASTICSEARCH_HOME=$PIO_HOME/vendors/elasticsearch-5.5.2
# Optional basic HTTP auth
# PIO_STORAGE_SOURCES_ELASTICSEARCH_USERNAME=my-name
# PIO_STORAGE_SOURCES_ELASTICSEARCH_PASSWORD=my-secret
# Elasticsearch 1.x Example
PIO_STORAGE_SOURCES_ELASTICSEARCH_TYPE=elasticsearch
PIO_STORAGE_SOURCES_ELASTICSEARCH_CLUSTERNAME=firstcluster
PIO_STORAGE_SOURCES_ELASTICSEARCH_HOSTS=localhost
PIO_STORAGE_SOURCES_ELASTICSEARCH_PORTS=9300
PIO_STORAGE_SOURCES_ELASTICSEARCH_HOME=$PIO_HOME/vendors/elasticsearch-1.4.4

# Local File System Example
PIO_STORAGE_SOURCES_LOCALFS_TYPE=localfs
PIO_STORAGE_SOURCES_LOCALFS_PATH=$PIO_FS_BASEDIR/models

# HBase Example
PIO_STORAGE_SOURCES_HBASE_TYPE=hbase
PIO_STORAGE_SOURCES_HBASE_HOME=$PIO_HOME/vendors/hbase-1.0.0

# AWS S3 Example
# PIO_STORAGE_SOURCES_S3_TYPE=s3
# PIO_STORAGE_SOURCES_S3_BUCKET_NAME=pio_bucket
# PIO_STORAGE_SOURCES_S3_BASE_PATH=pio_model


Thanks,

Jim


-- 
Jim Miller

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